Analysis
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max time kernel
109s -
max time network
111s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
28-09-2021 11:19
General
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Target
CMR-7146846_PDF.pif.exe
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Size
310KB
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MD5
71028a6ec414b1642243aa4981a3365f
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SHA1
630b016a94f7bee220565d3b9a55a2ae8ef73c5a
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SHA256
167d1af8c8c4a185c34d0e65bab348748fb524f3e95c6136324f1e2d7e310918
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SHA512
4c403091f4839867d7465e437f30eb3648a114ebf1e16cadbcd4a232f2c9b75fac1ef4d9b7081314eeabb33eb9579ce39373385f122c3104e7a7815c007b790a
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.globalmedical.nl - Port:
587 - Username:
vic@globalmedical.nl - Password:
W3oxtsMvzRhJV&eBZoFabwZV
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 IoCs
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Loads dropped DLL 1 IoCs
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious behavior: RenamesItself 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 11 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\CMR-7146846_PDF.pif.exe"C:\Users\Admin\AppData\Local\Temp\CMR-7146846_PDF.pif.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\CMR-7146846_PDF.pif.exe"C:\Users\Admin\AppData\Local\Temp\CMR-7146846_PDF.pif.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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\Users\Admin\AppData\Local\Temp\nsk45F5.tmp\agyko.dllMD5
7dc59f4707dae01d8bc589b5764fbd65
SHA153397fb4fce54937bf30764283934b6573fd63a9
SHA256d8f687ba9eea4e69aeaad9cccafd1ecc9be0b1b09c88ab8a4b5728aba666c903
SHA512f89321e0382ab5ca457f040a3f4d887cae047a5ca00efce4d8a6334e307b07d130788116c30bbd22ca94739fff17e19b2c221958f013de32eac4da86cbfc680e
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memory/1032-60-0x0000000075801000-0x0000000075803000-memory.dmpFilesize
8KB
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memory/1612-62-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1612-63-0x000000000040188B-mapping.dmp
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memory/1612-65-0x0000000001E90000-0x0000000001EC7000-memory.dmpFilesize
220KB
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memory/1612-68-0x00000000046D1000-0x00000000046D2000-memory.dmpFilesize
4KB
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memory/1612-67-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1612-69-0x00000000046D2000-0x00000000046D3000-memory.dmpFilesize
4KB
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memory/1612-70-0x00000000046D3000-0x00000000046D4000-memory.dmpFilesize
4KB
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memory/1612-71-0x00000000046D4000-0x00000000046D5000-memory.dmpFilesize
4KB